| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/motif/combobox_native.cpp |
| 3 | // Purpose: wxComboBox class |
| 4 | // Author: Julian Smart, Ian Brown |
| 5 | // Modified by: |
| 6 | // Created: 01/02/03 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #if wxUSE_COMBOBOX |
| 16 | |
| 17 | #include "wx/combobox.h" |
| 18 | |
| 19 | #ifndef WX_PRECOMP |
| 20 | #include "wx/arrstr.h" |
| 21 | #endif |
| 22 | |
| 23 | #ifdef __VMS__ |
| 24 | #pragma message disable nosimpint |
| 25 | #endif |
| 26 | #include <Xm/Xm.h> |
| 27 | #ifdef __VMS__ |
| 28 | #pragma message enable nosimpint |
| 29 | #endif |
| 30 | |
| 31 | // use the new, shiny combobox for Motif 2.x |
| 32 | #if (XmVersion >= 2000) |
| 33 | |
| 34 | #ifdef __VMS__ |
| 35 | #pragma message disable nosimpint |
| 36 | #endif |
| 37 | #include <Xm/ComboBox.h> |
| 38 | #include <Xm/Text.h> |
| 39 | #include <Xm/List.h> |
| 40 | #ifdef __VMS__ |
| 41 | #pragma message enable nosimpint |
| 42 | #endif |
| 43 | |
| 44 | #include "wx/motif/private.h" |
| 45 | |
| 46 | // utility |
| 47 | static Widget GetXmList( const wxComboBox* cb ) |
| 48 | { |
| 49 | Widget ret; |
| 50 | XtVaGetValues( (Widget)cb->GetMainWidget(), |
| 51 | XmNlist, &ret, |
| 52 | NULL ); |
| 53 | |
| 54 | return ret; |
| 55 | } |
| 56 | |
| 57 | static Widget GetXmText( const wxComboBox* cb ) |
| 58 | { |
| 59 | Widget ret; |
| 60 | XtVaGetValues( (Widget)cb->GetMainWidget(), |
| 61 | XmNtextField, &ret, |
| 62 | NULL ); |
| 63 | |
| 64 | return ret; |
| 65 | } |
| 66 | |
| 67 | void wxComboBoxCallback (Widget w, XtPointer clientData, |
| 68 | XmComboBoxCallbackStruct * cbs); |
| 69 | |
| 70 | IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) |
| 71 | |
| 72 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
| 73 | const wxString& value, |
| 74 | const wxPoint& pos, |
| 75 | const wxSize& size, |
| 76 | int n, const wxString choices[], |
| 77 | long style, |
| 78 | const wxValidator& validator, |
| 79 | const wxString& name) |
| 80 | { |
| 81 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) |
| 82 | return false; |
| 83 | PreCreation(); |
| 84 | |
| 85 | Widget parentWidget = (Widget) parent->GetClientWidget(); |
| 86 | |
| 87 | int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX : |
| 88 | ( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST : |
| 89 | ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX : |
| 90 | // default to wxCB_DROPDOWN |
| 91 | XmDROP_DOWN_COMBO_BOX; |
| 92 | if( cb_type == XmDROP_DOWN_COMBO_BOX ) |
| 93 | SetWindowStyle( style | wxCB_DROPDOWN ); |
| 94 | |
| 95 | Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(), |
| 96 | xmComboBoxWidgetClass, parentWidget, |
| 97 | XmNcomboBoxType, cb_type, |
| 98 | NULL); |
| 99 | |
| 100 | m_mainWidget = (Widget) buttonWidget; |
| 101 | |
| 102 | int i; |
| 103 | for ( i = 0; i < n; ++i) |
| 104 | Append( choices[i] ); |
| 105 | |
| 106 | XtManageChild (buttonWidget); |
| 107 | |
| 108 | SetValue(value); |
| 109 | |
| 110 | XtAddCallback (buttonWidget, XmNselectionCallback, |
| 111 | (XtCallbackProc) wxComboBoxCallback, |
| 112 | (XtPointer) this); |
| 113 | XtAddCallback (GetXmText(this), XmNvalueChangedCallback, |
| 114 | (XtCallbackProc) wxComboBoxCallback, |
| 115 | (XtPointer) this); |
| 116 | |
| 117 | wxSize best = GetBestSize(); |
| 118 | if( size.x != wxDefaultCoord ) best.x = size.x; |
| 119 | if( size.y != wxDefaultCoord ) best.y = size.y; |
| 120 | |
| 121 | PostCreation(); |
| 122 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
| 123 | pos.x, pos.y, best.x, best.y); |
| 124 | |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
| 129 | const wxString& value, |
| 130 | const wxPoint& pos, |
| 131 | const wxSize& size, |
| 132 | const wxArrayString& choices, |
| 133 | long style, |
| 134 | const wxValidator& validator, |
| 135 | const wxString& name) |
| 136 | { |
| 137 | wxCArrayString chs(choices); |
| 138 | return Create(parent, id, value, pos, size, chs.GetCount(), |
| 139 | chs.GetStrings(), style, validator, name); |
| 140 | } |
| 141 | |
| 142 | void wxComboBox::AdjustDropDownListSize() |
| 143 | { |
| 144 | int newListCount = -1, itemCount = GetCount(); |
| 145 | const int MAX = 12; |
| 146 | |
| 147 | if( !itemCount ) |
| 148 | newListCount = 1; |
| 149 | else if( itemCount < MAX ) |
| 150 | newListCount = itemCount; |
| 151 | else |
| 152 | newListCount = MAX; |
| 153 | |
| 154 | XtVaSetValues( GetXmList(this), |
| 155 | XmNvisibleItemCount, newListCount, |
| 156 | NULL ); |
| 157 | } |
| 158 | |
| 159 | wxComboBox::~wxComboBox() |
| 160 | { |
| 161 | DetachWidget((Widget) m_mainWidget); // Removes event handlers |
| 162 | XtDestroyWidget((Widget) m_mainWidget); |
| 163 | m_mainWidget = (WXWidget) 0; |
| 164 | } |
| 165 | |
| 166 | void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags) |
| 167 | { |
| 168 | // Necessary so it doesn't call wxChoice::SetSize |
| 169 | wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags); |
| 170 | } |
| 171 | |
| 172 | void wxComboBox::SetString(unsigned int n, const wxString& s) |
| 173 | { |
| 174 | wxXmString text(s); |
| 175 | Widget listBox = GetXmList(this); |
| 176 | |
| 177 | // delete the item and add it again. |
| 178 | // FIXME isn't there a way to change it in place? |
| 179 | XmListDeletePos (listBox, n+1); |
| 180 | XmListAddItem (listBox, text(), n+1); |
| 181 | } |
| 182 | |
| 183 | void wxComboBox::SetValue(const wxString& value) |
| 184 | { |
| 185 | m_inSetValue = true; |
| 186 | |
| 187 | XtVaSetValues( GetXmText(this), |
| 188 | XmNvalue, (const char*)value.mb_str(), |
| 189 | NULL); |
| 190 | |
| 191 | m_inSetValue = false; |
| 192 | } |
| 193 | |
| 194 | int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items, |
| 195 | unsigned int pos, |
| 196 | void **clientData, wxClientDataType type) |
| 197 | { |
| 198 | const unsigned int numItems = items.GetCount(); |
| 199 | |
| 200 | AllocClientData(numItems); |
| 201 | for ( unsigned int i = 0; i < numItems; ++i, ++pos ) |
| 202 | { |
| 203 | wxXmString str( items[i].c_str() ); |
| 204 | XmComboBoxAddItem((Widget) m_mainWidget, str(), |
| 205 | GetMotifPosition(pos), False); |
| 206 | m_noStrings ++; |
| 207 | InsertNewItemClientData(pos, clientData, i, type); |
| 208 | } |
| 209 | |
| 210 | AdjustDropDownListSize(); |
| 211 | |
| 212 | return pos - 1; |
| 213 | } |
| 214 | |
| 215 | void wxComboBox::DoDeleteOneItem(unsigned int n) |
| 216 | { |
| 217 | #ifdef LESSTIF_VERSION |
| 218 | XmListDeletePos (GetXmList(this), n + 1); |
| 219 | #else |
| 220 | XmComboBoxDeletePos((Widget) m_mainWidget, n+1); |
| 221 | #endif |
| 222 | |
| 223 | wxControlWithItems::DoDeleteOneItem(n); |
| 224 | m_noStrings--; |
| 225 | |
| 226 | AdjustDropDownListSize(); |
| 227 | } |
| 228 | |
| 229 | void wxComboBox::Clear() |
| 230 | { |
| 231 | #ifdef LESSTIF_VERSION |
| 232 | XmListDeleteAllItems (GetXmList(this)); |
| 233 | #else |
| 234 | while(m_noStrings > 0) |
| 235 | { |
| 236 | XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--); |
| 237 | } |
| 238 | #endif |
| 239 | |
| 240 | m_noStrings = 0; |
| 241 | AdjustDropDownListSize(); |
| 242 | |
| 243 | wxTextEntry::Clear(); |
| 244 | } |
| 245 | |
| 246 | void wxComboBox::SetSelection (int n) |
| 247 | { |
| 248 | m_inSetSelection = true; |
| 249 | |
| 250 | #if wxCHECK_LESSTIF() |
| 251 | XmListSelectPos (GetXmList(this), n + 1, false); |
| 252 | SetValue(GetString(n)); |
| 253 | #else |
| 254 | #if 0 |
| 255 | wxXmString str(GetString(n).c_str()); |
| 256 | XmComboBoxSelectItem((Widget) m_mainWidget, str()); |
| 257 | #endif |
| 258 | XtVaSetValues( (Widget)m_mainWidget, |
| 259 | XmNselectedPosition, n, |
| 260 | NULL ); |
| 261 | #endif |
| 262 | |
| 263 | m_inSetSelection = false; |
| 264 | } |
| 265 | |
| 266 | int wxComboBox::GetSelection() const |
| 267 | { |
| 268 | return wxDoGetSelectionInList( GetXmList( this ) ); |
| 269 | } |
| 270 | |
| 271 | wxString wxComboBox::GetString(unsigned int n) const |
| 272 | { |
| 273 | return wxDoGetStringInList( GetXmList(this), n ); |
| 274 | } |
| 275 | |
| 276 | int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const |
| 277 | { |
| 278 | // FIXME: back to base class for not supported value of bCase |
| 279 | |
| 280 | return wxDoFindStringInList( GetXmList( this ), s ); |
| 281 | } |
| 282 | |
| 283 | void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData, |
| 284 | XmComboBoxCallbackStruct * cbs) |
| 285 | { |
| 286 | wxComboBox *item = (wxComboBox *) clientData; |
| 287 | |
| 288 | if( item->m_inSetSelection ) return; |
| 289 | |
| 290 | switch (cbs->reason) |
| 291 | { |
| 292 | case XmCR_SELECT: |
| 293 | #if 0 |
| 294 | case XmCR_SINGLE_SELECT: |
| 295 | case XmCR_BROWSE_SELECT: |
| 296 | #endif |
| 297 | { |
| 298 | wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, |
| 299 | item->GetId()); |
| 300 | int idx = cbs->item_position; |
| 301 | event.SetInt(idx); |
| 302 | event.SetString( item->GetString (idx) ); |
| 303 | if ( item->HasClientObjectData() ) |
| 304 | event.SetClientObject( item->GetClientObject(idx) ); |
| 305 | else if ( item->HasClientUntypedData() ) |
| 306 | event.SetClientData( item->GetClientData(idx) ); |
| 307 | event.SetExtraLong(true); |
| 308 | event.SetEventObject(item); |
| 309 | item->HandleWindowEvent(event); |
| 310 | break; |
| 311 | } |
| 312 | case XmCR_VALUE_CHANGED: |
| 313 | { |
| 314 | wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId()); |
| 315 | event.SetInt(-1); |
| 316 | event.SetString( item->GetValue() ); |
| 317 | event.SetExtraLong(true); |
| 318 | event.SetEventObject(item); |
| 319 | item->HandleWindowEvent(event); |
| 320 | break; |
| 321 | } |
| 322 | default: |
| 323 | break; |
| 324 | } |
| 325 | } |
| 326 | |
| 327 | void wxComboBox::ChangeFont(bool keepOriginalSize) |
| 328 | { |
| 329 | if( m_font.Ok() && m_mainWidget != NULL ) |
| 330 | { |
| 331 | wxDoChangeFont( GetXmText(this), m_font ); |
| 332 | wxDoChangeFont( GetXmList(this), m_font ); |
| 333 | } |
| 334 | |
| 335 | // Don't use the base class wxChoice's ChangeFont |
| 336 | wxWindow::ChangeFont(keepOriginalSize); |
| 337 | } |
| 338 | |
| 339 | void wxComboBox::ChangeBackgroundColour() |
| 340 | { |
| 341 | wxWindow::ChangeBackgroundColour(); |
| 342 | } |
| 343 | |
| 344 | void wxComboBox::ChangeForegroundColour() |
| 345 | { |
| 346 | wxWindow::ChangeForegroundColour(); |
| 347 | } |
| 348 | |
| 349 | wxSize wxComboBox::DoGetBestSize() const |
| 350 | { |
| 351 | if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN || |
| 352 | (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY ) |
| 353 | { |
| 354 | Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow; |
| 355 | |
| 356 | XtVaGetValues( (Widget)m_mainWidget, |
| 357 | XmNarrowSize, &arrowW, |
| 358 | XmNarrowSpacing, &arrowS, |
| 359 | XmNhighlightThickness, &highlight, |
| 360 | XmNmarginWidth, &xmargin, |
| 361 | XmNmarginHeight, &ymargin, |
| 362 | XmNshadowThickness, &shadow, |
| 363 | NULL ); |
| 364 | |
| 365 | wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this ); |
| 366 | wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this), |
| 367 | this ); |
| 368 | |
| 369 | // FIXME arbitrary constants |
| 370 | return wxSize( listSize.x + arrowW + arrowS + 2 * highlight |
| 371 | + 2 * shadow + 2 * xmargin , |
| 372 | textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow ); |
| 373 | } |
| 374 | else |
| 375 | return wxWindow::DoGetBestSize(); |
| 376 | } |
| 377 | |
| 378 | WXWidget wxComboBox::GetTextWidget() const |
| 379 | { |
| 380 | return (WXWidget)GetXmText(this); |
| 381 | } |
| 382 | |
| 383 | #endif // XmVersion >= 2000 |
| 384 | |
| 385 | #endif // wxUSE_COMBOBOX |